Home / 12,845.07-19,223.87-9,936.36

Finding the Fourth Proportional to 12,845.07, 19,223.87 and 9,936.36

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Solution

The fourth proportional to 12,845.07, 19,223.87 and 9,936.36 is: 14,870.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,845.07 : 19,223.87 = 9,936.36 : x
  2. Step 2: Convert to fraction form
    12,845.07/19,223.87 = 9,936.36/x
  3. Step 3: Cross multiply
    12,845.07x = 19,223.87 × 9,936.36
  4. Step 4: Simplify right side
    12,845.07x = 191,015,243.23
  5. Step 5: Solve for x
    x = 191,015,243.23/12,845.07
  6. Step 6: Final answer
    x = 14,870.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.